/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package vodjaho.lab;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Maxim A. Kanev <ask.me.makes@gmail.com> [mkanev]
 */
public class MyServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String login = "";
        String password = "";
        User user = null;
        try {
            login = request.getParameter("login").toString();
            password = request.getParameter("password").toString();
            user = UserUtil.getUset(login, password);
            out.println("<html>");
            out.println("<head>");
            String url = request.getContextPath() + "/style.css";
            out.println("<title>Authentication result</title>");
            out.println("<link rel=\"stylesheet\" type=\"text/css\" href=" + url + " />");
            out.println("</head>");
            out.println("<body>");
            out.println("<div class=\"container\" style=\"text-align: center;\"><span>");
            final String fullname = user.getFullname();
            if (fullname.equals("Default User")) {
                out.println("You do not pass!");
            } else {
                out.println("Greetings " + fullname);
            }
            out.println("</span></div>");
            out.println("</body>");
            out.println("</html>");
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "A servlet for laboratory task";
    }// </editor-fold>

}
